Search Results - "Miglio, Andrea"
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1
Asteroseismology of Solar-Type and Red-Giant Stars
Published in Annual review of astronomy and astrophysics (18-08-2013)“…We are entering a golden era for stellar physics driven by satellite and telescope observations of unprecedented quality and scope. New insights on stellar…”
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2
The Fall of a Giant. Chemical evolution of Enceladus, alias the Gaia Sausage
Published in Monthly notices of the Royal Astronomical Society. Letters (01-07-2019)“…ABSTRACT We present the first chemical evolution model for Enceladus, alias the Gaia Sausage, to investigate the star formation history of one of the most…”
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3
Determining stellar parameters of asteroseismic targets: going beyond the use of scaling relations
Published in Monthly notices of the Royal Astronomical Society (17-01-2017)“…Abstract Asteroseismic parameters allow us to measure the basic stellar properties of field giants observed far across the Galaxy. Most of such determinations…”
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4
The K2 Mission: Characterization and Early Results
Published in Publications of the Astronomical Society of the Pacific (01-04-2014)“…The K2 mission will make use of the Kepler spacecraft and its assets to expand upon Kepler's groundbreaking discoveries in the fields of exoplanets and…”
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Uncertainties on near-core mixing in red-clump stars: effects on the period spacing and on the luminosity of the AGB bump
Published in Monthly notices of the Royal Astronomical Society (01-11-2015)“…Low-mass stars in the He-core-burning (HeCB) phase play a major role in stellar, galactic, and extragalactic astrophysics. The ability to predict accurately…”
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6
Stellar Spin-Orbit Misalignment in a Multiplanet System
Published in Science (American Association for the Advancement of Science) (18-10-2013)“…Stars hosting hot Jupiters are often observed to have high obliquities, whereas stars with multiple coplanar planets have been seen to have low obliquities…”
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Fast core rotation in red-giant stars as revealed by gravity-dominated mixed modes
Published in Nature (London) (05-01-2012)“…The core values of red giant stars The core rotation rate of a star, a key indicator of its evolutionary state, cannot be measured directly because the core is…”
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The Red-giant Branch Bump Revisited: Constraints on Envelope Overshooting in a Wide Range of Masses and Metallicities
Published in The Astrophysical journal (01-06-2018)“…The red-giant branch bump provides valuable information for the investigation of the internal structure of low-mass stars. Because current models are unable to…”
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Chronologically dating the early assembly of the Milky Way
Published in Nature astronomy (01-07-2021)“…The standard cosmological model predicts that galaxies are built through hierarchical assembly on cosmological timescales 1 , 2 . The Milky Way, like other…”
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10
Multi-periodic pulsations of a stripped red-giant star in an eclipsing binary system
Published in Nature (London) (27-06-2013)“…Measurements of a precursor to a low-mass white-dwarf star reveal that such white-dwarf stars probably had a thick hydrogen envelope, which was lost by…”
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Deviations from a uniform period spacing of gravity modes in a massive star
Published in Nature (London) (11-03-2010)“…The life of a star is dominantly determined by the physical processes in the stellar interior. Unfortunately, we still have a poor understanding of how the…”
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12
Chronos - take the pulse of our galactic neighbourhood: After Gaia: Time domain information, masses and ages for stars
Published in Experimental astronomy (01-06-2021)“…Understanding our Galaxy’s structure, formation, and evolution will, over the next decades, continue to benefit from the wonderful large survey by Gaia , for…”
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13
Solar-Like Oscillations in a Massive Star
Published in Science (American Association for the Advancement of Science) (19-06-2009)“…Seismology of stars provides insight into the physical mechanisms taking place in their interior, with modes of oscillation probing different layers…”
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14
Galactic Archaeology with TESS: Prospects for Testing the Star Formation History in the Solar Neighbourhood
Published in EPJ Web of Conferences (01-01-2017)“…A period of quenching between the formation of the thick and thin disks of the Milky Way has been recently proposed to explain the observed age-[α/Fe]…”
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Journal Article Conference Proceeding -
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The AGB bump: a calibrator for core mixing
Published in EPJ Web of conferences (01-01-2015)“…The efficiency of convection in stars affects many aspects of their evolution and remains one of the key-open questions in stellar modelling. In particular,…”
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Journal Article Conference Proceeding -
16
Assessing the accuracy of the surface gravity determination in late‐type stars with solar‐like pulsators
Published in Monthly notices of the Royal Astronomical Society. Letters (01-01-2012)“…ABSTRACT The frequency of maximum oscillation power measured in dwarfs and giants exhibiting solar‐like pulsations provides a precise, and potentially…”
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17
A variational encoder–decoder approach to precise spectroscopic age estimation for large Galactic surveys
Published in Monthly notices of the Royal Astronomical Society (27-04-2023)“…ABSTRACT Constraints on the formation and evolution of the Milky Way Galaxy require multidimensional measurements of kinematics, abundances, and ages for a…”
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A variational encoder–decoder approach to precise spectroscopic age estimation for large Galactic surveys
Published in Monthly notices of the Royal Astronomical Society (02-05-2023)“…ABSTRACT Constraints on the formation and evolution of the Milky Way Galaxy require multidimensional measurements of kinematics, abundances, and ages for a…”
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19
The distribution of [α/Fe] in the Milky Way disc
Published in Monthly notices of the Royal Astronomical Society (01-12-2021)“…ABSTRACT Using a sample of red giant stars from the Apache Point Observatory Galactic Evolution Experiment (APOGEE) Data Release 16, we infer the conditional…”
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Unveiling the distinct formation pathways of the inner and outer discs of the Milky Way with Bayesian Machine Learning
Published in Monthly notices of the Royal Astronomical Society (01-05-2021)“…ABSTRACT We develop a Bayesian Machine Learning framework called BINGO (Bayesian INference for Galactic archaeOlogy) centred around a Bayesian neural network…”
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